Fix focus nav of AllApps when Searching.

- Do not focus the Icon in Small Icon Result Rows
- Use FocusIndicatorHelper when focusing search result icons

Flag: NONE
Bug: 296844600
Fix: 310173226
Test: Test: TaplKeyboardFocusTest
Change-Id: Icfc82ae41ffc8ef7c7ad42950f98f3d2dc805795

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

@@ -1046,6 +1046,11 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
         return getActiveAppsRecyclerView();
     }
 
+    /** The current focus change listener in the search container. */
+    public OnFocusChangeListener getSearchFocusChangeListener() {
+        return mAH.get(AdapterHolder.SEARCH).mOnFocusChangeListener;
+    }
+
     /** The current apps recycler view in the container. */
     private AllAppsRecyclerView getActiveAppsRecyclerView() {
         if (!mUsingTabs || isPersonalTab()) {
@@ -1443,6 +1448,7 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
         final AlphabeticalAppsList<T> mAppsList;
         final Rect mPadding = new Rect();
         AllAppsRecyclerView mRecyclerView;
+        private OnFocusChangeListener mOnFocusChangeListener;
 
         AdapterHolder(int type, AlphabeticalAppsList<T> appsList) {
             mType = type;
@@ -1466,7 +1472,8 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
             onInitializeRecyclerView(mRecyclerView);
             FocusedItemDecorator focusedItemDecorator = new FocusedItemDecorator(mRecyclerView);
             mRecyclerView.addItemDecoration(focusedItemDecorator);
-            mAdapter.setIconFocusListener(focusedItemDecorator.getFocusListener());
+            mOnFocusChangeListener = focusedItemDecorator.getFocusListener();
+            mAdapter.setIconFocusListener(mOnFocusChangeListener);
             applyPadding();
         }